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CVE-2018-8440: Microsoft Windows Privilege Escalation Vulnerability
Microsoft Windows · in CISA KEV since 2022-03-28
2022-03-28added to KEV
2022-04-18federal remediation due date
18.39%EPSS exploit probability (30 days) 97.1th percentile
7.8 HIGHCVSS 3.1
Knownknown ransomware use
1,292days from NVD publication to KEV
What it is
An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).
Required action (CISA)
Apply updates per vendor instructions.
| CWE | — |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2018-09-13 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2018-8440.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.